CERN Accelerating science

All CERN Accelerators documents

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2017-11-22
06:26
Beams from the injectors / Bartosik, H (CERN) ; Rumolo, G (CERN)
During the LHC proton physics run in 2016 the injectors were regularly providing 25 ns beams, in both the standard and the high brightness, i.e. BCMS, variant. In this paper , the achieved parameters for these two beam production schemes are analysed and compared to the expected performance reach of the LHC injector complex. [...]
Geneva : CERN, 2017 - 6 p. - Published in : (2017) , pp. 233-238 Fulltext: PDF;
In : 7th Evian Workshop on LHC beam operation, Evian Les Bains, France, 13 - 15 Dec 2016, pp.233-238

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2017-11-22
06:26
BLM Thresholds and UFOs / Lechner, A (CERN) ; Albert, M (CERN) ; Auchmann, B (CERN) ; Castro, C Bahamonde (CERN) ; Grob, L (CERN) ; Holzer, E B (CERN) ; Jowett, J (CERN) ; Kalliokoski, M (CERN) ; Naour, S Le (CERN) ; Lunt, A (CERN) et al.
In 2016, the thresholds of more than half of the LHC Beam Loss Monitors connected to the Beam Interlock System were changed throughout the year. Many of the changes were in one or another way related to losses induced by micron scale dust particles often referred to as Unidentified Falling Objects (UFOs). [...]
Geneva : CERN, 2017 - 6 p. - Published in : (2017) , pp. 209-214 Fulltext: PDF;
In : 7th Evian Workshop on LHC beam operation, Evian Les Bains, France, 13 - 15 Dec 2016, pp.209-214

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2017-11-22
06:26
Breaking the wall between operational and expert tools / Jacquet, D (CERN)
Most of the time, for the daily operation of the LHC, dedicated operational applications are used, and the expert have their own applications to control their equipment, do specific machine developments and studies. In some cases, these expert applications need to adapted. [...]
Geneva : CERN, 2017 - 4 p. - Published in : (2017) , pp. 157-160 Fulltext: PDF;
In : 7th Evian Workshop on LHC beam operation, Evian Les Bains, France, 13 - 15 Dec 2016, pp.157-160

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2017-11-22
06:25
Can we predict luminosity? / Antoniou, F (CERN ; Liverpool U.) ; Hostettler, M (CERN) ; Iadarola, G (CERN) ; Papadopoulou, S (CERN) ; Papaphilippou, Y (CERN) ; Pellegrini, D (CERN) ; Trad, G (CERN)
In these proceedings, a luminosity model based on the main components (intrabeam scattering, synchrotron radiation , elastic scattering and luminosity burn-oil) responsible for the LHC luminosity evolution, is compared with data from the 2016 Run of LHC. Based 011 a bunch-by-bunch and fill-by-fill analysis, the data are compared to the model predictions and possible sources of luminosity degradation are discussed. [...]
Geneva : CERN, 2017 - 8 p. - Published in : (2017) , pp. 125-132 Fulltext: PDF;
In : 7th Evian Workshop on LHC beam operation, Evian Les Bains, France, 13 - 15 Dec 2016, pp.125-132

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2017-11-21
09:11
Correcting magnets for the PSB : Their choice, location and performance specifications / Bovet, C
CERN-SI-Int-DL-69-3.
- 1969. - 20 p.
Full text

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2017-11-21
08:58
Technical specification : Specification for pulsed bending magnets (bumpers) for the CERN 28 GEV proton synchrotron / Bossard, P
CERN-SI-Int-MAE-68-9.
- 1968. - 19 p.
Full text

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2017-11-21
08:55
Technical specification of the 30 MM-GAP septum magnet core / Keizer, RL
CERN-SI-Int-MAE-68-7.
- 1968. - 6 p..
Full text

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2017-11-21
08:44
Specification for 10 CM-bore quadrupole beam transport magnets for the CERN MPS-division / Bossard, P
CERN-SI-Int-MAE-68-4.
- 1968. - 25 p..
Full text

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2017-11-21
06:57
Machine development / Uythoven, J (CERN) ; Papotti, G (CERN) ; Tomas, R (CERN)
The experience with the Machine Development studies in the LHC over the year 2016 is reviewed. Some results are highlighted and some difficulties encountered are analysed. [...]
Geneva : CERN, 2017 - 4 p. - Published in : (2017) , pp. 265-268 Fulltext: PDF;
In : 7th Evian Workshop on LHC beam operation, Evian Les Bains, France, 13 - 15 Dec 2016, pp.265-268

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2017-11-21
06:57
What can be learnt in RUN 2 for RUN 3 and HL-LHC RUNS / Arduini, G (CERN) ; Bartosik, H (CERN) ; Boyd, J (CERN) ; Bracco, C (CERN) ; Buffat, X (CERN) ; Bruce, R (CERN) ; Baudrenghien, F (CERN) ; Calaga, R (CERN) ; Portugal, J Coello De (CERN) ; Maria, R De (CERN) et al.
This contribution presents an overview of the open questions on the key operational aspects and performance figures of the LHC during Run 3 and HL-LHC era, which could be tackled and answered in the current Run 2..
Geneva : CERN, 2017 - 10 p. - Published in : (2017) , pp. 255-264 Fulltext: PDF;
In : 7th Evian Workshop on LHC beam operation, Evian Les Bains, France, 13 - 15 Dec 2016, pp.255-264

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